baber/WOPTO huggingface dataset:
Patent DE-2721608-A1 (DE)
Title: Stamping die for making video storage patterns on plastic disks - using volatile metal film contg. pattern for electroforming of die
Inventor: NIER JOHANNES DIPL PHYS DR
IPC: G11B23/00
Filed: 1977-05-13
Abstract: A stamping die with a three-dimensional pattern is made by by using a substrate coated with a thin metal film and then a layer (I) of volatile data storage material contg. a stored two-dimensional pattern of holes obtd. by local evapn. of layer. Layer (I) has a thickness matching the desired stamping depth. and is coated with an electrically conducting film (II) followed by an electrodeposited layer. Substrate is then removed and layers (I) and (II) are removed by chemical etching. Substrate is pref. transparent plastic. The metal film is 25 angstroms of Cr and layer (I) is pref. a mixt. of Bi and Se, which is covered by another film of Cr 100 angstroms thick. Layer (II) being applied on top of layer and esp. consisting of Cu 2000-3000 angstroms thick. The electrodeposited layer is pref. obtd. from a nickel sulphamate bath. The die obtd. is used to press a phase contrast pattern into a transparent plastic disc similar to a gramophone record, which can be read out via a laser beam.
Patent DE-2722441-A1 (DE)
Title: Flowmeter for IC engines fuel consumption - has piston moving in calibrated cylinder, with movement converted into fuel feed
Inventor: LINDL WALTER
IPC: G01F3/16
Filed: 1977-05-18
Abstract: The flowmeter has a piston moved by the measured liquid in a cylinder of specified volume. Solenoid valves (16-19)are provided in pipes (10, 12, 14, 15) connecting the measurement cylinder (1) with the fuel pump (11) and the ic engine for alternate setting of one of two possible fuel flow directions, thus generating an oscillating movement of the piston (7). The solenoid valves (10-19) are operated by an electrical control device (21), and an electronic processing device measures the travel time of the piston from its first end position (3) to a second end position (4), and this stroke period is converted into units of volume per unit of time, and by integration into units of volume. The result is displayed in litres per hour.
Patent DE-2723503-A1 (DE)
Title: Insulated building air conditioning plant - has auxiliary heating system for water and air heating
Inventor: EERLE HANS
IPC: F24D19/10
Filed: 1977-05-25
Abstract: The air conditioning plant for a well insulated building has a heat exchanger to recover heat from the exhaust air. There is a water heating system and an additional heater controlled in relation to the room and hot water temperatures. The heat in the building is utilised in combination with solar heat. The additional heating system heats a water boiler and includes solar energy storage. The heat of the collector water is transferred to the heating circuit. Heat exchangers for the boiler and storage transfer the collected energy. A second heat exchanger is used for air heating.
Patent DE-2732968-A1 (DE)
Title: Warp knitting machine for pile fabrics - using two sinker passages, the wider one holding both ground and pile yarns, the narrower only ground yarn
Inventor: KOHL KARL
IPC: D04B23/08
Filed: 1977-07-21
Abstract: The sinkers are arranged at two kinds of pitches so that two sinker passages different in width are formed. The wide sinker passage holds both the ground yarn and the pile yarn whereas the narrow sinker passage holds only the ground yarn. The single faced towel fabrics can be knitted without troubles even if the thick pile yarn is used.
Patent DE-2738614-A1 (DE)
Title: Integrated circuit module - produced by glass film bonding one substrate for silicon island domains to another as carrier
Inventor: OGIHARA SATORU
IPC: H01L21/762
Filed: 1977-08-26
Abstract: A semiconductor substrate for integrated circuits is produced by mfg. 2 monocrystalline semiconductor wafers and by forming insulating grooves in the desired pattern on the first, and covering its whole surface by a dielectric insulating layer. A bonding layer is applied over this or over a silicon dioxide coated major surface of the second water and both wafers are firmly joined together. The first wafer is finally polished or etched away from its rear face to the bottom of the grooves. This creates many monocrystalline island of even thickness in the substrate and results in a better integration density. The penetration of other than the preselected impurities into the island domains is prevented, resulting in excellent electrical properties of the modules.
Patent DE-2742169-A1 (DE)
Title: Reprographic text reduction device - has selected elements of text scanned, arranged in matrix, read out and reproduced as new text
Inventor: GETZLAFF GUENTER ING GRAD
IPC: H04N1/387
Filed: 1977-09-20
Abstract: The text of any documents, e.g. books, newspapers, typewritten pages, is reprographically converter into a new text in accordance with any kind, volume and sequence of selected text parts. The new text contains a shortened text, or parts of the text of the original document (2), and/or other different contents. Narrow surface elements (10) whose height is adjustable to the respective line, and whose width is adjustable down to a single character, are selected from any parts of the document and placed behind each other as often as required, beginning from any point. They are scanned, converted into a matrix and then read out in the order of their scanning, forming a new text reprographically reproduced on paper or made visible in any way.
Patent DE-2745794-A1 (DE)
Title: Mine tunnel lining assembly - has casing ring with pressure plate which can be stressed against compression spring by clamping screw
Inventor: ZIMMERMANN HEINZ DIPL ING
IPC: E21D11/00
Filed: 1977-10-12
Abstract: Each casing ring has at least one or more linings with elastic elements (7) facing e.g. the surrounding earth and in place of the back-filling. Each element has a pressure-receiving surface in the form of a pressure plate (8) which by means of a clamping screw (10) can be stressed relative to a compression spring (9). The spring is effectively located between the pressure plate and the rear (4) of the lining. The plate rests on an elastic ring (11) made from e.g. polystyrol and on a foam bed (12) and has a centering core (13) which passes through the bed and spring and has a support shoulder (14) for the spring. The clamping screw engages in a threaded borehole (15) in the core.
Patent DE-2745835-A1 (DE)
Title: Lining steel pipe with polyethylene powder by sintering - simultaneously supplying heat and polymer whilst moving pipe and heater helically relatively to each other
Inventor: STUECKLE JUERGEN DIPL ING
IPC: B05D7/22
Filed: 1977-10-12
Abstract: Steel pipes are lined with polyethylene with simultaneous supply of polyethylene powder and heat to the steel pipe. The process is specifically a sintering technique, application of (I) being effected in helical line. This is achieved by moving steel pipe and heater helically w.r.t. each other, whilst simultaneously applying (I). A vibrator is used for this step.
Patent DE-2747148-A1 (DE)
Title: Welded rod flat mat or grid - has cylindrical grid formed about rotary axis and separated by shears
Inventor: ODENDAHL WILFRIED ING GRAD
IPC: B21F27/18
Filed: 1977-10-20
Abstract: Longitudinal rods are aligned in a circular row to form a cylinder which is rotated stepwise while being fed through a single-station welding machine. Transverse rods are fed from a coil and wound round the cylinder in the welding machine. The transverse rod is welded to successive longitudinal rods to form a cylindrical grid, fed through shears to form curved grids. These are then passed through a straightener to obtain flat sieve mats. The ends of two coils (13, 14) or rod (11) can be butt welded in the machine and fed through a loop buffer store (15) to be wound round the rods (9) to make a cylindrical grid.
Patent DE-2752558-A1 (DE)
Title: Fitting system for pipe throttle butterfly - has transverse insertion slot enclosed by split shell after assembly of valve
IPC: F16K27/02
Filed: 1977-11-22
Abstract: The system fits a throttle butterfly valve in a pipe handling gas or liq. Two opposite openings (2a, 2b) are formed in the pipe (1), in which a slit-type recess (3) is then formed, at the pipe angles to the pipe axis and extending at least to the centre of the pipe. The butterfly and spindle is then inserted in the slot so that the spindle ends protrude, after which a split shell is fitted round the pipe, with drillings in it forming the bearings for the spindle ends. At the ends of the shell halves pieces are bent outwards to accommodate detachable bolts, clamping them round the pipe.
Patent DE-2755983-A1 (DE)
Title: Portable instrument for resistance to earth measurement - has voltage divider whose output voltage is rectified and compared with voltage derived from network
Inventor: FREISCHLAD ORTWIN DIPL ING
IPC: G01R27/20
Filed: 1977-12-15
Abstract: The resistance is measured in networks provided with fault current protective switches, using a voltage divider connected by a push-button switch, with the divider tapping connected to the protective conductor. Voltage divider resistors (Rs, Rp) have resistance values which are based on a voltage lower than the permissible shock voltage, and a resistance lower than the permissible resistance to earth. The divider resistor (Rs) is connected through a conductor (N) to a rectifier (4), in turn connected to a comparator (5) to the input of which a reference voltage can be applied through a switch (T).
Patent DE-2757306-A1 (DE)
Title: Solar and wind energy accumulator - has steam engine to drive generator using steam from absorbers or from heat accumulator
Inventor: JAKOBI WILHELM
IPC: F03G6/00
Filed: 1977-12-22
Abstract: A heat accumulator for an electric power installation is based on solar heat collectors and/or wind energy, and stores the electric current which is produced by a steam engine driven generator but is not utilized immediately. Water in a heat accumulator is heated to a temperature of over 500K. The same steam engine which drives the generator with steam produced by solar or wind energy is also used for operation from the heat accumulator if the energy supply from extraneous sources is absent.
Patent DE-2808054-A1 (DE)
Title: Water purificn., esp. of sewage - uses only two basic tanks and is used by small family units
Inventor: WHITE EUGENE BARRETT
IPC: C02F1/52
Filed: 1978-02-24
Abstract: In the continuous automatic cyclic treatment of sewage and waste materials (esp. those contg. >25 ppm. BOD and >25 ppm. total solids) in which the accumulation of sewage in a main tank is time dependent with periods of max. and min. ave. accumulation occurring at regular intervals, (a) in the main tank a biological-chemical oxidn. of accumulated sewage is effected by aeration during periods of max. accumulation. then settling is allowed during the initial portion of min. accumulation; and (b) a pre-reacted floc (I) is introduced into the effluent from the main tank before the end of the biological-chemical oxidn. to produce an instantaneous floc-agglomeration with the effluent kept at optimum pH and with zeta-potential stabilised at -5 to +5 ZP. During the period of min. accumulation, effluent is removed from the tank and more (I) is introduced into it to produce further instantaneous floc-agglomeration. Suspended solids and colloidal particles are then filtered out, and dissolved organic solids are removed by adsorption. Finally (during periods of effluent removal the produced sepd. solids and adsorbed materials are oxidised and removed. Automatic system is esp. designed for use by small family units, and on such a basis it affords high quality effluent H2O suitable (perhaps after chlorination) for use in a variety of domestic or industrial applications (irrigation, washing operations, even as drinking H2O). Costs are very low, and using only 2 basic containers or tanks the system can run for is not 5 years without cleaning.
Patent DE-2811019-A1 (DE)
Inventor: JAKOB OTTO
IPC: B31B27/00
Filed: 1978-03-14
Abstract: The packaging material, in particular for framed slides (4), is suitable for use in automatic packaging machines. For this purpose, individual pockets (2) for the individual articles (4) are provided with an insertion lip (12). These are obtained in that the side edges (10) of the pockets (12) are not closed right up to the pocket opening (14). The front wall (6) of the pocket preferably has an increased wall thickness, which is achieved by zig zag folding of a web of film. <IMAGE>
Patent DE-2819357-A1 (DE)
Title: Ancillary lens attachment for camera - has device guiding beam path of image in beam tube for purpose of taking picture and has coupling for endoscope
IPC: G02B23/08
Filed: 1978-05-03
Abstract: The ancillary lens attachment is connected to the main optical system of a camera. Its beam-path guide device (2) is exchangeable in order to select different viewing directions. The device to guide the beam path (7) is arranged adjustably and contains a mirror (2) pivotable in the central region (8). The beam tube (1) has a substantially smaller diameter than the objective (6) of the camera. Near the beam entry point (7) there is a coupling for endoscopes.
Patent DE-2829421-A1 (DE)
Title: Safety isolator for construction vehicle - has pressure sensor in air-filled cushion to block drive if driver leaves seat
Inventor: DUPONT HARRY ING GRAD
IPC: B60K28/04
Filed: 1978-07-05
Abstract: The seat of the construction vehicle is fitted with an air filled cushion linked to a pressure control circuit which in turn operates a safety block for the transmission. The vehicle drive is inhibited unless the seat is occupied. This prevents injury to the driver if he leaves the driving position to adjust equipment, or to change points. The pressure control is adjusted so that the block is lifted only if sufficient air is expelled from the cushion corresponding to the driver sitting on it. This prevents bypassing of the system by placing a stone or a hand on the seat.
Patent DE-2832393-A1 (DE)
Title: Variable suspension for low loader - has axle on guided subframe linked to chassis by pneumatic ram
Inventor: LAFORDE EGON
IPC: B60P3/40
Filed: 1978-07-24
Abstract: The wheels of the low loader are supported by a pneumatic damper (28) between upper (10) and lower (20) platforms, with the lower platform supporting the axle (14). The platforms are linked by scissors type of levers to ensure that the relative movement is in a controlled vertical direction. The suspension is mounted over the axles and provides a large degree of adjustment. This enables the vehicle to negotiate steep loading of ships etc. without danger of jamming on the roadway. The scirros levers provide lateral stability when the suspension is extended.
Patent DE-2832728-A1 (DE)
Title: Roof rafter fixture, with C=profile rail - has anchoring head on enclosing strip nailed to rafter side and top
Inventor: EGER FRIEDRICH
IPC: E04B7/04
Filed: 1978-07-26
Abstract: A prismatic block, connected, to a C-sectioned profile rail engages a cutout, in the rafter, which is surrounded by a strip anchored to the rail, in the system for fixing roof rafters on buidlings. One end of the strip (10, 10a) is fitted with an anchoring head (11, 11a) which fits into the rail (7). The strip is nailed (13) or screwed to the upper surface and at least one lateral surface of the rafter (3). It is pref. made of metal, perforated for nails, while the head may be soldered or welded to its end, or punched through a folded end. The fixture can meet all loading demands, esp. with lightweight roofs.
Patent DE-2833692-A1 (DE)
Inventor: KOESSLER ERICH ING
IPC: E02B8/02
Filed: 1978-08-01
Abstract: The screen cleaning installation is composed of component parts (32, 54, 67, 68, 69, 71), each of which covers a working area. At their ends, the component parts (32, 54, 67, 68, 69, 71) have connection flanges (61, 62, 63, 64, 65, 66) which can be put onto the adjoining part and be connected to it. Between the flanges (61, 62, 63, 64, 65, 66), each component part has an area with a standard cross-section which is suitable for shortening and lengthening. Consequently, the screen cleaning installation can be adapted to the different dimensions of a screen (33) with regard to both the width and the height. This results in larger batch quantities, which permit an accurate all-inclusive design and series production of the component parts and screen installations even at different dimensions. For repair purposes, the component parts can be exchanged quickly and simply. <IMAGE>
Patent DE-2837608-A1 (DE)
Title: Working chair with seat and backrest - has support and insertion piece for each of two parts, with upholstered and covered tops
Inventor: SCHNEIDER ALBERT
IPC: A47C31/02
Filed: 1978-08-29
Abstract: The working chair has a seat (10) and back-rest (11) each consisting of a support (12, 13) made of flexible plastics foam. At least one insertion piece (18) is interchangeable between the seat and the back-rest, and consists partly of textile material which is permeable to air and absorbent. The rims of the supports (12, 13) have cut-back edges which grip round the insertion piece, (18) placed in them. The back of the seat and the bottom of the back rest have rims which are not cut back (25, 26) into which a lever can be placed. The upholstery material is hose-hair, foam rubber or plastics foam. The covering for the insertion pieces (18) is made of plastic material. The supports (12, 13) are reinforced by flat or ridged foam pieces.
Patent DE-2838002-A1 (DE)
Title: Pneumatic wheel for tracked vehicle - has floating wheel rim and tyre with limited steering movement relative to hub and wheel disc
Inventor: NIEMANN KLAUS DR ING
IPC: B62D1/26
Filed: 1978-08-31
Abstract: The pneumatic tyres of the tracked vehicle are mounted on floating wheel rims (9) which roll on the hubs with a limited lateral movement. The rotational drive for the wheels is provided via the hubs. The amount of lateral movement allows the vehicle to follow the track without any special steering linkage for the wheels. The track is a trough and its direction is followed by side wheels linked to the vehicle. All the wheels can be sited with floating rims so that each wheel only has to be reflected by a small amount.
Patent DE-2845144-A1 (DE)
Title: Sewage sludge dewatering - by adding plastic foam flocks and applying a vacuum in a paddle mixer
Inventor: SPECHT HERBERT
IPC: C02F11/12
Filed: 1978-10-05
Abstract: Sewage sludge from domestic sewage or industrial waste, esp. digested sludge, receives an admixture of plastic foam particles. This was described in DT 2012638. If a vacuum is applied to the mixt., the gas is extracted from the plastic flocks and is replaced by sludge. As a result, the foam particles do not float any more on the surface and can be mixed with the sludge much more thoroughly. The result is a considerable redn. in the amt. of the required plastic flocks. Compost produced in this way has a neutral pH-value of 6.8 and has an acceptable smell resembling mushroom soil.
Patent DE-2852799-A1 (DE)
Title: Soldering iron bit with long life - obtd. by friction welding iron cup to tip of copper shank, and then machining cup to desired shape
Inventor: SANDRIK JOSEF DIPL ING
IPC: B23K3/02
Filed: 1978-12-06
Abstract: The tip of the bit is friction welded inside an iron cup, so the tip is provided with an iron coating. The pref. bit is made from a shank with a conical taper ending in a shoulder and a conical tip; and the iron cup pref. has a conical hole matching the conical tip on the shank. Friction welding pref. occurs between the rim of the iron cup and the shoulder on the shank of the bit; and both the shank and the cup are pref. cold formed to produce the mating profiles required. After welding, a conventional machining process is pref. employed to produce the desired shape on the outside surface of the iron cup forming the working surface of the bit. Conventional bits are provided with electroplated coatings to increase their life, but such coatings are thin and non-uniform. The invention provides a bit with a much longer life than bits with an electroplated coating.
Patent DE-2853181-A1 (DE)
Title: Single and double record sleeve making machine - has blank registering blank cutting and blank creasing parts, with output lines for single and double sleeves respectively
Inventor: GARROD NORMAN JOHN
IPC: B31B70/00
Filed: 1978-12-08
Abstract: The machine is for making single and double record sleeves respectively from one and two sheet material blanks. The machine comprises to input lines each comprising blank registering parts, blank cutting parts and blank creasing parts. Two first output lines each comprise parts for producing a single record sleeve from a cut and creased blank. A second output line includes parts for producing a double record sleeve from two cut and creased blanks. Conditioning devices produce a first and a second contition, in the first condition of which, each input line is connected to a respective one of the two first output lines and in the second condition of which both input lines are connected to the second output lines.
Patent DE-2853925-A1 (DE)
Title: On-board computer for road vehicles - provides refresh cycle for EPROM containing operating program for motor vehicle system
Inventor: KIENCKE UWE DIPL ING
IPC: F02D45/00
Filed: 1978-12-14
Abstract: An erasable programmable read only memory (EPROM) used in an on-board computer for automobile applications is provided with an automatic memory refresh cycle. The refresh cycle is periodically necessary due to the high operating temp. that may be experienced. The computer (1) is coupled over data and control tines to the EPROM (3) containing the operating programme for the vehicle system. Power is supplied from the vehicle battery (6) over the ignition switch (5). The coil of the fuel injection pump (10) is coupled over a switch (11) to a transistor (T1) controlled by an AND gate (12) receiving input from a comparator (13) and the computer. The collector is coupled to a load capacitor (21) and a zener diode (21) provides voltage limiting. When the vehicle is started a voltage peak is generated that results in a high voltage signal over a second transistor (T2) to cause refreshing of the memory.
Patent DE-2901909-A1 (DE)
Title: Bone-meat mixture separation - using opposed twin plungers and slotted ring stack press space
Inventor: PROSENBAUER OTTO
IPC: A22C17/04
Filed: 1979-01-18
Abstract: Machine to separate meat from a mixt. of bone and meat consists of one plunger which takes the mixt. to a press space, consisting of a stack of parallel rings between which spacers maintain narrow slots. A second plunger with a pointed face acts against the first and squeezes the meat through the annular slots. The bone residue is removed by returning the second plunger beyond a discharge opening. The machine operates reliably and is easy to operate and to clean.
Patent DE-2901934-A1 (DE)
Title: Mask for X=ray lithography in electronic device, e.g. IC mfr. - has silicon oxynitride membrane supported on frame to avoid internal stress
Inventor: CSEPREGI LASZLO
IPC: G03F1/22
Filed: 1979-01-19
Abstract: Mask used in prodn. of electronic devices by X-ray lithography has an X-ray transparent membrane (II) on which absorber structures (III) are placed, with a supporting frame (IV) the membrane consisting of Si oxynitride (I). Frame (IV) can consist of monocrystalline Si and there is a p+-layer between the frame and the membrane (I), the p+-layer being a diffusion, epitaxial or polycrystalline p-Si layer. There is a SiO2 coating on the side away from the membrane. Alternatively, the frame consists of glass, quartz, ceramic material or polycrystalline Si. Membrane has a thin, optically transparent protective coating, which is etchable with difficulty, esp. a Si3N4 coating on one or both sides. Mask is useful in IC mfr. It has positive properties similar to those with a pure Si membrane and transparency for visible light corresp. to that of Si3N4, without comparable internal stress leading to self-destruction.